Verfügbarkeit: A two-scale model of granular materials using a coupled DE-FE approach

A two-scale model of granular materials using a coupled DE-FE approach:

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Bibliographische Detailangaben
1. Verfasser:	Wellmann, Christian 1982- (VerfasserIn)
Format:	Abschlussarbeit Buch
Sprache:	English
Veröffentlicht:	Hannover Univ., Inst. für Kontinuumsmechanik 2011
Schriftenreihe:	Leibniz-Universität Hannover, Institut für Kontinuumsmechanik B 11,1
Schlagworte:	Granulärer Stoff Finite-Elemente-Methode Diskrete-Elemente-Methode Mathematisches Modell Hochschulschrift
Online-Zugang:	Inhaltstext Inhaltsverzeichnis
Beschreibung:	VIII, 147 S. zahlr. Ill., graph. Darst.
ISBN:	9783941302020

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MARC


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Datensatz im Suchindex

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adam_text	IMAGE 1 CONTENTS INTRODUCTION 1 1.1 OBJECTIVES AND STATE OF THE ART 1 1.2 ORGANIZATION OF THIS WORK 4 FUNDAMENTALS 5 2.1 CONTINUUM SOLID MECHANICS 5 2.1.1 KINEMATICS 5 2.1.2 STRESS 8 2.1.3 BALANCE PRINCIPLES 8 2.1.4 RIGID BODY DYNAMICS 10 2.1.5 CONSTITUTIVE EQUATIONS 11 2.2 FINITE ELEMENT METHOD 14 2.2.1 WEAK FORM OF EQUILIBRIUM 15 2.2.2 FINITE ELEMENT DISCRETIZATION 16 2.2.3 TRANSIENT SOLUTION 17 DISCRETE ELEMENT METHOD 19 3.1 PARTICLE SHAPE 21 3.2 CONTACT FORMULATION 25 3.2.1 HERTZIAN NORMAL CONTACT 26 3.2.2 TANGENTIAL CONTACT 28 3.2.3 DISSIPATIVE PART 29 3.3 TIME INTEGRATION 30 3.4 IMPLEMENTATION 33 3.4.1 GLOBAL CONTACT DETECTION 34 3.4.2 LOCAL CONTACT DETECTION 37 3.4.3 PARALLELIZATION 44 3.4.4 SAMPLE GENERATION 48 3.5 SILO DISCHARGE EXAMPLE 54 GRANULAR-STRUCTURE INTERACTION 59 4.1 CONTACT MODEL 59 4.1.1 NON-SMOOTH CONTACT 61 4.2 IMPLEMENTATION 67 4.3 NUMERICAL EXAMPLES 69 BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/1012161331 DIGITALISIERT DURCH IMAGE 2 VIII 4.3.1 LATERAL BEAM-SPHERE IMPACT 69 4.3.2 BRACHISTOCHRONE CURVE 70 4.3.3 RUBBER BLOCK ON SAND 70 4.3.4 TRIAXIAL TEST ON GLASS BEADS 72 5 HOMOGENIZATION 77 5.1 PERIODIC TRIAXIAL TEST METHODOLOGY 78 5.1.1 PERIODIC RECTANGULAR HEXAHEDRAL RVE 78 5.1.2 AVERAGE STRESSES AND STRAINS 80 5.1.3 APPLICATION OF BOUNDARY CONDITIONS 81 5.2 ADAPTATION OF DEM PARAMETERS 82 5.3 RESULTS 84 5.3.1 RANDOM SAMPLE GENERATION 84 5.3.2 INITIAL RELATIVE DENSITY 85 5.3.3 PRESSURE LEVEL 87 5.3.4 RVE SIZE 87 5.3.5 VALIDATION 88 5.4 FITTING OF ELASTO-PLASTIC CONTINUUM MODEL 88 6 TWO-SCALE MODEL 91 6.1 COUPLING DOMAIN 92 6.2 KINEMATIC CONSTRAINTS 95 6.3 IMPLEMENTATION 98 6.4 NUMERICAL EXAMPLES 99 6.4.1 TRIAXIAL TESTS 100 6.4.2 MICROSTRUCTURE 102 6.4.3 PILE INSTALLATION 104 7 CONCLUSION AND OUTLOOK 109 A SUPERQUADRICS 113 A.I SURFACE PARAMETERIZATION 113 A.1.1 BOUNDING RADII 115 A.1.2 PRINCIPAL CURVATURES 116 A.I.3 CURVILINEAR COORDINATES FROM NORMALS 117 A.2 SURFACE POINTS FROM NORMALS 120 A.3 LINE SEGMENT INTERSECTION 124 A.4 TRIANGLE INTERSECTION AREA 125 B WEIGHTED VIRTUAL WORK OF A RIGID BODY 131 BIBLIOGRAPHY 132
any_adam_object	1
author	Wellmann, Christian 1982-
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author_sort	Wellmann, Christian 1982-
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dewey-hundreds	600 - Technology (Applied sciences)
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dewey-raw	620.105
dewey-search	620.105
dewey-sort	3620.105
dewey-tens	620 - Engineering and allied operations
discipline	Maschinenbau / Maschinenwesen Physik
format	Thesis Book
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spelling	Wellmann, Christian 1982- Verfasser (DE-588)1014028566 aut A two-scale model of granular materials using a coupled DE-FE approach von Christian Wellmann Hannover Univ., Inst. für Kontinuumsmechanik 2011 VIII, 147 S. zahlr. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Leibniz-Universität Hannover, Institut für Kontinuumsmechanik B 11,1 Zugl.: Hannover, Univ., Diss., 2011 Granulärer Stoff (DE-588)4256351-3 gnd rswk-swf Finite-Elemente-Methode (DE-588)4017233-8 gnd rswk-swf Diskrete-Elemente-Methode (DE-588)4577038-4 gnd rswk-swf Mathematisches Modell (DE-588)4114528-8 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Granulärer Stoff (DE-588)4256351-3 s Mathematisches Modell (DE-588)4114528-8 s Diskrete-Elemente-Methode (DE-588)4577038-4 s Finite-Elemente-Methode (DE-588)4017233-8 s DE-604 Leibniz-Universität Hannover, Institut für Kontinuumsmechanik B 11,1 (DE-604)BV036467379 B 11,1 text/html http://deposit.dnb.de/cgi-bin/dokserv?id=3805864&prov=M&dok_var=1&dok_ext=htm Inhaltstext DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024459835&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis
spellingShingle	Wellmann, Christian 1982- A two-scale model of granular materials using a coupled DE-FE approach Leibniz-Universität Hannover, Institut für Kontinuumsmechanik Granulärer Stoff (DE-588)4256351-3 gnd Finite-Elemente-Methode (DE-588)4017233-8 gnd Diskrete-Elemente-Methode (DE-588)4577038-4 gnd Mathematisches Modell (DE-588)4114528-8 gnd
subject_GND	(DE-588)4256351-3 (DE-588)4017233-8 (DE-588)4577038-4 (DE-588)4114528-8 (DE-588)4113937-9
title	A two-scale model of granular materials using a coupled DE-FE approach
title_auth	A two-scale model of granular materials using a coupled DE-FE approach
title_exact_search	A two-scale model of granular materials using a coupled DE-FE approach
title_full	A two-scale model of granular materials using a coupled DE-FE approach von Christian Wellmann
title_fullStr	A two-scale model of granular materials using a coupled DE-FE approach von Christian Wellmann
title_full_unstemmed	A two-scale model of granular materials using a coupled DE-FE approach von Christian Wellmann
title_short	A two-scale model of granular materials using a coupled DE-FE approach
title_sort	a two scale model of granular materials using a coupled de fe approach
topic	Granulärer Stoff (DE-588)4256351-3 gnd Finite-Elemente-Methode (DE-588)4017233-8 gnd Diskrete-Elemente-Methode (DE-588)4577038-4 gnd Mathematisches Modell (DE-588)4114528-8 gnd
topic_facet	Granulärer Stoff Finite-Elemente-Methode Diskrete-Elemente-Methode Mathematisches Modell Hochschulschrift
url	http://deposit.dnb.de/cgi-bin/dokserv?id=3805864&prov=M&dok_var=1&dok_ext=htm http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024459835&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
volume_link	(DE-604)BV036467379
work_keys_str_mv	AT wellmannchristian atwoscalemodelofgranularmaterialsusingacoupleddefeapproach

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